InChI=1/C20H17N3O4S/c24-20(19-22-17-8-4-5-9-18(17)28(25,26)23-19)21-14-10-12-16(13-11-14)27-15-6-2-1-3-7-15/h1-13,19,22-23H,(H,21,24)/t19-/m0/s1/f/h21H	CC868250E3244EE5